Create parity groups by selecting drives manually

Procedure

1. Perform one of the following to display the Create Parity Groups window.

For Command Suite:

• On the Resource tab, expand the Storage Systems tree. Right-click Parity Groups of the target storage system, then select System GUI. On the Parity Groups tab, select Create Parity Groups.

For the General Tasks pane in Storage Navigator:

• On the General Tasks pane, select Create Parity Groups.

For the Parity Groups window in Storage Navigator:

• To display all parity groups in the storage system, expand the Storage Systems tree and select Parity Groups. On the Parity Groups tab, select Create Parity Groups.

• To display parity groups related to Internal, expand the Storage Systems tree and select Parity Groups and then Internal. On the Parity Groups tab, select Create Parity Groups(Internal).

• In the Device Manager - Storage Navigator main window, click Actions > Parity Group > Create Parity Groups to open the window.

2. From the Drive Type/RPM/Capacity list, select the drive.

3. From the RAID Level list, select the RAID level.

4. From the Drive Selection field, select Manual.

5. In the Available Drives table, select drives. Drives must be selected up to the number displayed in The number you have to select.

6. Click Options.

7. In the Initial Parity Group ID text box, type the number of the initial parity group ID.

The smallest available number is displayed in the text box as a default. If a parity group ID is unavailable, no number is displayed.

When you specify a parity group ID that was already registered, the smallest available ID is displayed. If a parity group ID is unavailable, no number is displayed.

8. From the Cache Partition list, select the CLPR number.

9. From the Encryption field, select Enable or Disable.

10. From the accelerated compression field, select Enable or Disable.

If Enable is selected in the Encryption field, you cannot select Enable in the accelerated compression field.

 To use the accelerated compression-enabled parity group, if you change the accelerated compression from enable to disable, you must format the parity group. Therefore, we recommend that the accelerated compression must be enabled only when the data reduction efficiency can surely perform.

11. From the Copy-Back Mode field, select Enable or Disable.

12. Click Add.

The created parity group is added to the Selected Parity Groups table. If invalid values are set, an error message appears.

• When you select multiple rows and click Concatenate, click OK. If selected parity groups cannot be concatenated, an error message appears.

• If you select a row and click Change Settings, the Change Settings window appears. After you change parity group settings, click OK.

• If you select a row and click Detail, the Parity Group Properties window appears.

• When you select a row and click Remove, click OK.

13. Click Next.

The Create LDEVs window appears.

Click Finish. The Confirm window appears.

14. In the Confirm window, click Apply to register the setting in the task.

If you select a row and click Detail, the Parity Group Properties window appears.

If the Go to tasks window for status check box is selected, the Tasks window appears.